Individual holder
RICHEY VERNON T
6 granted patents·368 citations·filing 1976–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0194US4049066AApparatus for reducing annular back pressure near the drill bitRICHEY VERNON T·Filed 1976·Granted Sep 20, 1977·162 cites·10 claims
- 0284US4363360AApparatus for use in maintaining a well pipe centered within a well boreRICHEY VERNON T·Filed 1981·Granted Dec 14, 1982·71 cites·13 claims
- 0380US4105262AReleasable drill string stabilizerRICHEY VERNON T·Filed 1977·Granted Aug 8, 1978·50 cites·6 claims
- 0469US4131167AReleasable drill string stabilizerRICHEY VERNON T·Filed 1977·Granted Dec 26, 1978·31 cites·16 claims
- 0563US4101157ATool for fishing an object from a bore holeRICHEY VERNON T·Filed 1977·Granted Jul 18, 1978·27 cites·3 claims
- 0662US4258804AReleasable drill string stabilizerRICHEY VERNON T·Filed 1979·Granted Mar 31, 1981·27 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →